*{
    margin: 0;
    padding: 0;
}
html,body{
    width: 100%;
    height: 100%;
    overflow: hidden;
}
body>img{
    width: 100%;
    height: 100%;
    position: absolute;
    left: 0;
    top: 0;
    z-index: -999;
}
.panel{
    width: 300px;
    height: 400px;
    border: 1px solid red;
    margin: 100px auto;
   border-radius: 15px;
    overflow: hidden;
    box-sizing: border-box;
}
.login-panel{
    /*display: none;*/
}
.panel-header{
    font-size: 30px;
    text-align: center;
    height: 50px;
    line-height: 50px;
    color: deepskyblue;
   border-bottom: #e82c07 1px solid;

}
.panel-middle{
    height: 300px;
    padding: 20px 10px 20px 10px;
    box-sizing: border-box;
    border-bottom: 1px solid orangered;
}
.panel-middle>form tr {
    font-size: 20px;
    color: orangered;
    height: 60px;
    text-align: center;
}
.login-panel .panel-middle>form .td_right{
    padding-left: 30px;
    position: relative;
}
.td_right>i{
    position: absolute;
    left:30px;top: 50%;
    transform: translateY(-50%);
}
.panel-middle>form .td_right>input{
    width: 120px;
    height: 30px;
    border: none;
    background: none;
    outline: none;
    /*border-radius: 10px;*/
    border-bottom: 1px solid red;
    /*margin-left: 10px;*/
    color: orange;
    /*background: rgba(255,255,255,.5);*/
}

.login-panel input{

    padding-left: 20px;
}
.panel-middle>form .panel-btn{
    margin-top: 30px;
    width: 120px;
    height: 40px;
    font-size: 30px;
    background: none;
    border-radius: 15px;
    color: orangered;
    border: 2px orangered solid;
}
.login-panel>.panel-footer{
    /*background: #31c27c;*/
    height: 40px;
    padding: 0 20px;
    text-align: right;
    line-height: 40px;
    font-size: 20px;
    color: orangered;
}
 a{
    text-decoration: none;
    color: orangered;
}
.register-panel{
    display: none;
}

.register-footer{
    height: 50px;
    text-align: right;
    line-height: 50px;
    padding-right: 20px;
}
.updatePassword-panel{
    display: none;
}

.update-footer{
    height: 30px;
    text-align: right;
    line-height: 30px;
    padding-right: 20px;
}
.error{
    color: red;
    font-size: 10px;
}
.error1{
    color: purple;
    font-size: 10px;
    font-weight: bold;
}